Home / 113,758.56-156,955.32-73,474.02

Finding the Fourth Proportional to 113,758.56, 156,955.32 and 73,474.02

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Solution

The fourth proportional to 113,758.56, 156,955.32 and 73,474.02 is: 101,373.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,758.56 : 156,955.32 = 73,474.02 : x
  2. Step 2: Convert to fraction form
    113,758.56/156,955.32 = 73,474.02/x
  3. Step 3: Cross multiply
    113,758.56x = 156,955.32 × 73,474.02
  4. Step 4: Simplify right side
    113,758.56x = 11,532,138,320.79
  5. Step 5: Solve for x
    x = 11,532,138,320.79/113,758.56
  6. Step 6: Final answer
    x = 101,373.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.